[INFO] cloning repository https://github.com/AndrewSwerlick/chowdown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndrewSwerlick/chowdown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewSwerlick%2Fchowdown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewSwerlick%2Fchowdown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12a64dcc2de6e12d73c0259cac5473bb0ea87c4b
[INFO] checking AndrewSwerlick/chowdown against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewSwerlick%2Fchowdown" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AndrewSwerlick/chowdown
[INFO] finished tweaking git repo https://github.com/AndrewSwerlick/chowdown
[INFO] tweaked toml for git repo https://github.com/AndrewSwerlick/chowdown written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AndrewSwerlick/chowdown on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AndrewSwerlick/chowdown already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4499497f8c8b2fe9d7399082018d49fa6161d98088169e8a6345c03e51c73c83
[INFO] running `Command { std: "docker" "start" "-a" "4499497f8c8b2fe9d7399082018d49fa6161d98088169e8a6345c03e51c73c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4499497f8c8b2fe9d7399082018d49fa6161d98088169e8a6345c03e51c73c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4499497f8c8b2fe9d7399082018d49fa6161d98088169e8a6345c03e51c73c83", kill_on_drop: false }`
[INFO] [stdout] 4499497f8c8b2fe9d7399082018d49fa6161d98088169e8a6345c03e51c73c83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9de787f6736e1a3f525815f657852cb749be2a8f7a51700484a31566a0ebd327
[INFO] running `Command { std: "docker" "start" "-a" "9de787f6736e1a3f525815f657852cb749be2a8f7a51700484a31566a0ebd327", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.56
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking string_cache_shared v0.3.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling wasm-bindgen v0.2.56
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stdout] error[E0793]: reference to packed field is unaligned
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tendril-0.4.1/src/tendril.rs:241:20
[INFO] [stdout]     |
[INFO] [stdout] 241 |                 if (*header).refcount.decrement() == 1 {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses
[INFO] [stdout]     = note: creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout]     = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stdout] error[E0793]: reference to packed field is unaligned
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tendril-0.4.1/src/tendril.rs:958:9
[INFO] [stdout]     |
[INFO] [stdout] 958 |         (*self.header()).refcount.increment();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses
[INFO] [stdout]     = note: creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout]     = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0793`.
[INFO] [stdout] 
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling derive_builder v0.8.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr] error: could not compile `tendril` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9de787f6736e1a3f525815f657852cb749be2a8f7a51700484a31566a0ebd327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9de787f6736e1a3f525815f657852cb749be2a8f7a51700484a31566a0ebd327", kill_on_drop: false }`
[INFO] [stdout] 9de787f6736e1a3f525815f657852cb749be2a8f7a51700484a31566a0ebd327
